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pg. 32
Coleman U & C 1142-0160
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CLEANING THE VENTURI
WARNING
Spider’s nests or wasp’s mud inside the venturi may cause fire at valve. If a fire occurs, immediately
turn off gas supply at L.P. cylinder valve.
(See representative illustration in Fig. 27)
27
28
N
OTE:
Spiders and small insects can spin webs and build nests inside the venturi tubes. This especially occurs in late summer and fall before frost when
spiders are most active. These nests can obstruct gas flow and cause a fire in and around the burner valves. Such a fire can cause operator
injury and serious damage to the grill.
To help prevent a blockage and ensure full heat output, clean and inspect venturi tubes often (once or twice a month). NOTE: Water or air
pressure will not
normally clear a spider web.
STEPS
FOR CLEANING VENTURI:
1. Remove burner from grill bottom.
2. Look inside lower end of venturi tubes for nests, webs or mud.
3. To remove the above obstructions, use an accessory flexible venturi brush or bend a small hook on one end of a 20 inch long flexible wire
such as the one shown in Fig. 28 and the representative illustration in Fig. 29.
4. Inspect and clean the burner if needed.
5. Replace the burner assembly into the grill.
6. Make sure the valve orifices are inside the venturi tubes.
7. Secure burner back into grill bottom.
29